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Malachite
Malachite

Shattuckite
Shattuckite



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Malachite
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Shattuckite

Malachite and Shattuckite Optical Properties

Optical Properties

Luster

Adamantine, Vitreous, Silky
Silky

Pleochroism

-
X = very pale blue; Y = pale blue; Z = deep blue

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

Opaque
Translucent

Refractive Index

1.655-1.9091.752-1.815
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.2540.063
0 0.296
👆🏻

Clarity

-
Translucent

Malachite and Shattuckite Optic Character

Malachite and Shattuckite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Malachite and Shattuckite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Malachite and Shattuckite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Malachite and Shattuckite Transparency

Similar to their colors, Malachite and Shattuckite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Malachite is Opaque while Malachite is Opaque in appearance.